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Finding the Fourth Proportional to 70,854.48, 106,247.70 and 33,383.34

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Solution

The fourth proportional to 70,854.48, 106,247.70 and 33,383.34 is: 50,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,854.48 : 106,247.70 = 33,383.34 : x
  2. Step 2: Convert to fraction form
    70,854.48/106,247.70 = 33,383.34/x
  3. Step 3: Cross multiply
    70,854.48x = 106,247.70 × 33,383.34
  4. Step 4: Simplify right side
    70,854.48x = 3,546,903,093.32
  5. Step 5: Solve for x
    x = 3,546,903,093.32/70,854.48
  6. Step 6: Final answer
    x = 50,058.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.